Cannot convert undefined or null to object

[EricPuskas]

Hi! There seems to be an edge case that is not handled. If I have no contacts, then the following error shows up.

[kwent]

Good call! Lacking of time right now but PR welcome.

For reference. Need to wrap up https://github.com/kwent/react-google-contacts/blob/master/src/google-contacts.js#L76 in a if condition